THE CHEMICAL-POTENTIAL OF WATER - MOLECULAR-DYNAMICS COMPUTER-SIMULATION OF THE CF AND SPC MODELS

被引:29
作者
QUINTANA, J
HAYMET, ADJ
机构
[1] UNIV UTAH,DEPT CHEM,SALT LAKE CITY,UT 84112
[2] UNIV SYDNEY,DEPT PHYS & THEORET CHEM,SYDNEY,NSW 2006,AUSTRALIA
关键词
D O I
10.1016/0009-2614(92)85138-Z
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The excess Helmholtz free energy DELTA-A of two models of water, the revised central force model and the simple point charge model, has been calculated by molecular dynamics computer simulation. The method of "thermodynamic integration" has been used to calculate the free energy difference between the (model) water and an ideal gas of molecules at the same temperature and volume. For this particular thermodynamic property, Ewald sums and truncated potentials yield the same results.
引用
收藏
页码:273 / 277
页数:5
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